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Nanoscale optomechanical actuators for controlling mechanotransduction in living cells.


ABSTRACT: To control receptor tension optically at the cell surface, we developed an approach involving optomechanical actuator nanoparticles that are controlled with near-infrared light. Illumination leads to particle collapse, delivering piconewton forces to specific cell surface receptors with high spatial and temporal resolution. We demonstrate optomechanical actuation by controlling integrin-based focal adhesion formation, cell protrusion and migration, and T cell receptor activation.

SUBMITTER: Liu Z 

PROVIDER: S-EPMC4732909 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Nanoscale optomechanical actuators for controlling mechanotransduction in living cells.

Liu Zheng Z   Liu Yang Y   Chang Yuan Y   Seyf Hamid Reza HR   Henry Asegun A   Mattheyses Alexa L AL   Yehl Kevin K   Zhang Yun Y   Huang Zhuangqun Z   Salaita Khalid K  

Nature methods 20151214 2


To control receptor tension optically at the cell surface, we developed an approach involving optomechanical actuator nanoparticles that are controlled with near-infrared light. Illumination leads to particle collapse, delivering piconewton forces to specific cell surface receptors with high spatial and temporal resolution. We demonstrate optomechanical actuation by controlling integrin-based focal adhesion formation, cell protrusion and migration, and T cell receptor activation. ...[more]

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